Surfboard



FIG. 1 is a top view of a surfboard showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a front elevation thereof; and,

FIG. 7 is a side elevation thereof. 

The ornamental design for a surfboard, as shown. 